回国为一家总部在美国的公司工作,但不属于外派, 是国内当地招聘的,这种情况我也需要每半年回美国一次或申请白皮书吗?
-Not different from other green card holder situation. Yoiu need to get reentry permit (RP) to stay in China for > 1 year < 2 years. If you want to preserve your physical presence for your US citizenship applicaiton, you also need to file N-470 besides the RP.
有没有别的办法保持绿卡?